Advancing Sidereal Astrology with Integrity, Research, and Professional Excellence.
Join the ISAA for a live online workshop with Dr. Dani Inman exploring the origins, techniques, and philosophical foundations of Hellenistic astrology. This session examines its historical context, core methods, and lasting influence, with critical discussion on what modern astrologers can meaningfully reclaim from this tradition.
✔ Free to attend • ✔ Open to the public • ✔ Replay available to ISAA members
The Saturn–Neptune conjunction marks one of the most transformative cycles of our time. In this special live roundtable, ISAA brings together experts across multiple astrological traditions—Western, Vedic, and Mesopotamian—to explore the deeper meaning of this rare alignment and what it signals for the world, society, and individual lives.
Join the ISAA team and community for an open conversation that blends scholarship, lived experience, and predictive insights.
✔ Free to attend • ✔ Open to the public • ✔ Replay available to ISAA members
The Vedic Astrological New Year marks a reset in the collective karmic clock, shaping global themes and personal life cycles for the year ahead. In this special webinar, renowned astrologer Gary O’Toole (author of Cosmic Bodies, Rāhu Daśā, and Daśā Vidyā) will lead an in-depth exploration of the astrological signatures that define the year to come.
✔ Free to attend • ✔ Open to the public • ✔ Q&A included • ✔ Replay available to ISAA members
Evolutionary Astrology asks one of the biggest questions of all—why is the soul here and what is it trying to learn?
In this foundational two-part series, astrologers Don Ptak and Michael Hartigan introduce the principles, mechanics, and spiritual implications of Evolutionary Astrology through a grounded, accessible lens.
✔ Free to attend • ✔ Open to the public • ✔ Replay available to ISAA members
Your contribution helps preserve and promote sidereal astrology. The ISAA is dedicated to educating the public, certifying sidereal astrologers, and restoring the original, ancient celestial wisdom. Every donation goes directly toward this mission—supporting research, outreach, and global community building.
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